Pattern of texture zeros in quark mass matrices with a divergent top-Yukawa coupling at the GUT scale
Pattern of texture zeros in quark mass matrices with a divergent top-Yukawa coupling at the GUT scale
In a SUSY GUT model responsible for generating symmetric quark mass matrices at the GUT scale (\ensuremath{\mu}=\ensuremath{\Lambda}), we assume that the top-Yukawa coupling, ${\ensuremath{\lambda}}_{t},$ becomes infinite at that scale. As a consequence, the MSSM renormalization group equations for quark Yukawa couplings exhibit hierarchical solutions which lead to a pattern of …